Modulation: ASK ◆Voltage: 2.7V~5V ◆Frequency: 315/433MHz ◆Bit-rate: 2kbps-4kbps ◆Current: 10mA ◆Sensitivity: -115dBm ◆Working temperature: -20℃~+70℃◆Dimension: 31cm(L)*13.5cm(W)*5cm(H)